Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,986
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     201,095
Calibration 2     191,949
Calibration 3     190,613
ssj_ops@calibrated=191,281
100% 99.3% 191,281 189,986
90% 89.7% 172,153 171,638
80% 80.9% 153,025 154,666
70% 69.6% 133,897 133,142
60% 59.3% 114,769 113,478
50% 50.0% 95,641 95,658
40% 39.8% 76,512 76,198
30% 29.8% 57,384 57,092
20% 20.4% 38,256 38,979
10% 10.1% 19,128 19,377
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,630,717 1,494
Payment 14,630,716
Order Status 1,463,072
Delivery 1,463,071
Stock Level 1,463,072
Customer Report 14,630,723
Calibration 2 New Order 13,961,152 1,494
Payment 13,961,143
Order Status 1,396,114
Delivery 1,396,113
Stock Level 1,396,113
Customer Report 13,961,149
Calibration 3 New Order 13,862,832 1,494
Payment 13,862,829
Order Status 1,386,285
Delivery 1,386,283
Stock Level 1,386,282
Customer Report 13,862,829
100% 99.3% New Order 13,818,820 1,494
Payment 13,818,826
Order Status 1,381,881
Delivery 1,381,883
Stock Level 1,381,883
Customer Report 13,818,822
90% 89.7% New Order 12,482,788 1,494
Payment 12,482,792
Order Status 1,248,278
Delivery 1,248,279
Stock Level 1,248,280
Customer Report 12,482,792
80% 80.9% New Order 11,248,443 1,494
Payment 11,248,444
Order Status 1,124,845
Delivery 1,124,845
Stock Level 1,124,845
Customer Report 11,248,443
70% 69.6% New Order 9,683,117 1,494
Payment 9,683,121
Order Status 968,312
Delivery 968,311
Stock Level 968,312
Customer Report 9,683,122
60% 59.3% New Order 8,253,065 1,494
Payment 8,253,063
Order Status 825,307
Delivery 825,307
Stock Level 825,306
Customer Report 8,253,064
50% 50.0% New Order 6,957,056 1,494
Payment 6,957,059
Order Status 695,705
Delivery 695,706
Stock Level 695,705
Customer Report 6,957,060
40% 39.8% New Order 5,541,668 1,494
Payment 5,541,673
Order Status 554,167
Delivery 554,167
Stock Level 554,168
Customer Report 5,541,678
30% 29.8% New Order 4,152,616 1,494
Payment 4,152,613
Order Status 415,261
Delivery 415,261
Stock Level 415,261
Customer Report 4,152,612
20% 20.4% New Order 2,834,975 1,494
Payment 2,834,977
Order Status 283,497
Delivery 283,496
Stock Level 283,496
Customer Report 2,834,973
10% 10.1% New Order 1,409,254 1,494
Payment 1,409,252
Order Status 140,925
Delivery 140,927
Stock Level 140,926
Customer Report 1,409,258
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0