Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 194,508
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     198,390
Calibration 2     195,874
Calibration 3     195,655
ssj_ops@calibrated=195,765
100% 99.4% 195,765 194,508
90% 90.2% 176,188 176,667
80% 80.1% 156,612 156,849
70% 69.8% 137,035 136,568
60% 60.1% 117,459 117,587
50% 50.1% 97,882 98,082
40% 40.1% 78,306 78,598
30% 30.2% 58,729 59,100
20% 19.8% 39,153 38,854
10% 9.7% 19,576 19,067
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 14,432,238 1,494
Payment 14,432,233
Order Status 1,443,223
Delivery 1,443,222
Stock Level 1,443,223
Customer Report 14,432,234
Calibration 2 New Order 14,246,014 1,494
Payment 14,246,012
Order Status 1,424,601
Delivery 1,424,599
Stock Level 1,424,602
Customer Report 14,246,017
Calibration 3 New Order 14,230,801 1,494
Payment 14,230,797
Order Status 1,423,080
Delivery 1,423,079
Stock Level 1,423,079
Customer Report 14,230,795
100% 99.4% New Order 14,149,749 1,494
Payment 14,149,743
Order Status 1,414,975
Delivery 1,414,973
Stock Level 1,414,973
Customer Report 14,149,743
90% 90.2% New Order 12,849,308 1,494
Payment 12,849,313
Order Status 1,284,931
Delivery 1,284,931
Stock Level 1,284,930
Customer Report 12,849,311
80% 80.1% New Order 11,407,253 1,494
Payment 11,407,260
Order Status 1,140,726
Delivery 1,140,725
Stock Level 1,140,725
Customer Report 11,407,262
70% 69.8% New Order 9,932,689 1,494
Payment 9,932,686
Order Status 993,268
Delivery 993,269
Stock Level 993,269
Customer Report 9,932,677
60% 60.1% New Order 8,552,293 1,494
Payment 8,552,290
Order Status 855,228
Delivery 855,228
Stock Level 855,229
Customer Report 8,552,290
50% 50.1% New Order 7,133,701 1,494
Payment 7,133,698
Order Status 713,371
Delivery 713,370
Stock Level 713,370
Customer Report 7,133,698
40% 40.1% New Order 5,716,351 1,494
Payment 5,716,350
Order Status 571,635
Delivery 571,634
Stock Level 571,635
Customer Report 5,716,352
30% 30.2% New Order 4,298,330 1,494
Payment 4,298,331
Order Status 429,832
Delivery 429,834
Stock Level 429,833
Customer Report 4,298,329
20% 19.8% New Order 2,825,845 1,494
Payment 2,825,845
Order Status 282,584
Delivery 282,586
Stock Level 282,585
Customer Report 2,825,845
10% 9.7% New Order 1,386,667 1,494
Payment 1,386,669
Order Status 138,666
Delivery 138,666
Stock Level 138,667
Customer Report 1,386,665
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0