Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 190,616
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     194,284
Calibration 2     191,387
Calibration 3     191,120
ssj_ops@calibrated=191,254
100% 99.7% 191,254 190,616
90% 90.1% 172,128 172,282
80% 79.9% 153,003 152,864
70% 69.7% 133,877 133,226
60% 60.7% 114,752 116,055
50% 49.9% 95,627 95,351
40% 40.0% 76,501 76,468
30% 30.1% 57,376 57,646
20% 20.2% 38,251 38,669
10% 10.1% 19,125 19,274
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,132,228 1,494
Payment 14,132,234
Order Status 1,413,224
Delivery 1,413,223
Stock Level 1,413,224
Customer Report 14,132,231
Calibration 2 New Order 13,920,156 1,494
Payment 13,920,154
Order Status 1,392,015
Delivery 1,392,016
Stock Level 1,392,016
Customer Report 13,920,157
Calibration 3 New Order 13,901,018 1,494
Payment 13,901,018
Order Status 1,390,102
Delivery 1,390,102
Stock Level 1,390,102
Customer Report 13,901,018
100% 99.7% New Order 13,864,283 1,494
Payment 13,864,287
Order Status 1,386,428
Delivery 1,386,428
Stock Level 1,386,429
Customer Report 13,864,283
90% 90.1% New Order 12,529,658 1,494
Payment 12,529,660
Order Status 1,252,966
Delivery 1,252,966
Stock Level 1,252,965
Customer Report 12,529,658
80% 79.9% New Order 11,117,841 1,494
Payment 11,117,834
Order Status 1,111,784
Delivery 1,111,784
Stock Level 1,111,784
Customer Report 11,117,834
70% 69.7% New Order 9,690,460 1,494
Payment 9,690,455
Order Status 969,045
Delivery 969,046
Stock Level 969,045
Customer Report 9,690,457
60% 60.7% New Order 8,440,437 1,494
Payment 8,440,438
Order Status 844,044
Delivery 844,045
Stock Level 844,043
Customer Report 8,440,437
50% 49.9% New Order 6,935,519 1,494
Payment 6,935,521
Order Status 693,552
Delivery 693,552
Stock Level 693,553
Customer Report 6,935,524
40% 40.0% New Order 5,561,606 1,494
Payment 5,561,610
Order Status 556,162
Delivery 556,162
Stock Level 556,160
Customer Report 5,561,606
30% 30.1% New Order 4,192,586 1,494
Payment 4,192,588
Order Status 419,259
Delivery 419,259
Stock Level 419,258
Customer Report 4,192,589
20% 20.2% New Order 2,812,662 1,494
Payment 2,812,663
Order Status 281,267
Delivery 281,266
Stock Level 281,265
Customer Report 2,812,664
10% 10.1% New Order 1,401,767 1,494
Payment 1,401,766
Order Status 140,176
Delivery 140,176
Stock Level 140,176
Customer Report 1,401,768
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0