Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 206,731
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     210,949
Calibration 2     209,544
Calibration 3     209,184
ssj_ops@calibrated=209,364
100% 98.7% 209,364 206,731
90% 90.3% 188,428 189,114
80% 80.9% 167,491 169,348
70% 70.9% 146,555 148,486
60% 59.9% 125,619 125,418
50% 49.4% 104,682 103,479
40% 39.9% 83,746 83,440
30% 29.5% 62,809 61,810
20% 20.0% 41,873 41,845
10% 10.0% 20,936 20,998
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 15,345,124 1,494
Payment 15,345,119
Order Status 1,534,513
Delivery 1,534,513
Stock Level 1,534,512
Customer Report 15,345,125
Calibration 2 New Order 15,240,493 1,494
Payment 15,240,498
Order Status 1,524,049
Delivery 1,524,049
Stock Level 1,524,049
Customer Report 15,240,488
Calibration 3 New Order 15,214,145 1,494
Payment 15,214,148
Order Status 1,521,413
Delivery 1,521,413
Stock Level 1,521,416
Customer Report 15,214,140
100% 98.7% New Order 15,035,162 1,494
Payment 15,035,155
Order Status 1,503,516
Delivery 1,503,516
Stock Level 1,503,516
Customer Report 15,035,159
90% 90.3% New Order 13,753,893 1,494
Payment 13,753,894
Order Status 1,375,389
Delivery 1,375,389
Stock Level 1,375,389
Customer Report 13,753,889
80% 80.9% New Order 12,316,666 1,494
Payment 12,316,666
Order Status 1,231,666
Delivery 1,231,667
Stock Level 1,231,667
Customer Report 12,316,668
70% 70.9% New Order 10,799,857 1,494
Payment 10,799,860
Order Status 1,079,985
Delivery 1,079,986
Stock Level 1,079,986
Customer Report 10,799,855
60% 59.9% New Order 9,121,601 1,494
Payment 9,121,603
Order Status 912,161
Delivery 912,160
Stock Level 912,161
Customer Report 9,121,605
50% 49.4% New Order 7,525,738 1,494
Payment 7,525,731
Order Status 752,573
Delivery 752,574
Stock Level 752,575
Customer Report 7,525,736
40% 39.9% New Order 6,068,391 1,494
Payment 6,068,396
Order Status 606,839
Delivery 606,838
Stock Level 606,839
Customer Report 6,068,393
30% 29.5% New Order 4,495,444 1,494
Payment 4,495,444
Order Status 449,544
Delivery 449,544
Stock Level 449,545
Customer Report 4,495,441
20% 20.0% New Order 3,043,378 1,494
Payment 3,043,387
Order Status 304,337
Delivery 304,337
Stock Level 304,337
Customer Report 3,043,378
10% 10.0% New Order 1,527,164 1,494
Payment 1,527,163
Order Status 152,717
Delivery 152,717
Stock Level 152,717
Customer Report 1,527,164
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0